National Geographic Light Up Crystal Growing Kit. National Geographic Light Up Crystal Growing Kit Learn about crystals and see them in a whole new way with the Light Up Crystal Growing Kit by National Geographic! National Geographics Light Up Crystal Growing Kit allows you to grow three crystals in 3 4 days on a base that lights up! A clear seed rock on the bottom makes it easy to see all the colors shine through and our full color Learning Guide is packed with interesting facts about crystal science and formation. You wont find a more exiting and illuminating crystal growing kit anywhere else! National Geographics Light Up Crystal Growing Kit is the perfect project for kids of all ages and serves as a great introduction to geology and chemistry. This kit will spark a love of science in your child that will last a lifetime. Contents: Four packets of crystal growing powder, four crystal seed bases, a light up base, wood stirring stick, magnifying glass and samples of green fluorite, blue calcite, rose quartz and a broken geode. Interactive learning: Theres no better way for your child to explore the wonders of science then through a hands on science project. Recommended Age: 8 years and up